Cap gun with continuous shooting feature

ABSTRACT

A continuous firing structure is provided for color bullet of a cap gun. The cap gun has a main body with a machine unit. The continuous firing structure mainly comprises a bullet barrel at one end of the main body and a through hole between the bullet barrel and the unit for the operation of a pushing cylinder and a discharge pin. The pushing cylinder and the discharge pin are used with a spring for continuous firin

BACKGROUND OF THE INVENTION

[0001] (A) Field of the Invention

[0002] The present invention relates to a continuous firing structurefor color bullet.

[0003] (B) Description of the Prior Art

[0004] The conventional cap gun with color bullet is fired by operatingthe trigger of the cap gun for intermittently shooting. The cap gun maybe provided with electromagnetic valve for continuous shooting. However,the electromagnetic valve requires battery, which is inconvenient.

SUMMARY OF THE INVENTION

[0005] It is the object of the present invention to provide a continuousfiring structure for color bullet.

[0006] To achieve above object, a continuous firing structure isprovided for color bullet of a cap gun. The cap gun has a main body witha machine unit. The continuous firing structure mainly comprises abullet barrel at one end of the main body and a through hole between thebullet barrel and the unit for the operation of a pushing cylinder and adischarge pin. The pushing cylinder and the discharge pin are used witha spring for continuous firing the color bullet of a cap gun.

[0007] The various objects and advantages of the present invention willbe more readily understood from the following detailed description whenread in conjunction with the appended drawing, in which:

BRIEF DESCRIPTION OF DRAWING

[0008]FIG. 1 shows a sectional view of the main body of the presentinvention;

[0009]FIG. 2 shows a sectional view of the shell ejecting means of thepresent invention;

[0010]FIG. 3 shows another sectional view of the shell ejecting means ofthe present invention;

[0011]FIG. 4 shows a sectional view of the bullet barrel of the presentinvention;

[0012]FIG. 5 shows a sectional view of the pushing cylinder of thepresent invention;

[0013]FIG. 6 shows a sectional view of the annulus washer of the presentinvention;

[0014]FIG. 7 shows a sectional view of the switch of the presentinvention; and FIG. 8 shows a sectional view of the discharging pin ofthe present invention.

DETAILED DESCRIPTION OF THE INVENTION

[0015] As shown in FIG. 1, the cap gun with continuous shooting featurecomprises at least one main body 1 with air conduit and a thread hole210 near a muzzle thereof. The thread hole 210 is used to lock a bulletbarrel 22. A pushing cylinder 23 and a discharge pin 24 are slidablyarranged in the bullet barrel 22. The bullet barrel 22 is communicatedwith a switch 160 through a throttle 170 and a pressure adjuster 100through a venting hole 20. The main body 1 has a coupling loop 63connected to a CO2 bottle (not shown). The switch 160, the throttle 170and the pressure adjuster 100 are well known art and will not bedescribed in detail here. The pushing cylinder 23 is detached from thedischarge pin 24 by air pressure to shoot the color bullet.

[0016] With reference now to FIGS. 1, 4, 5, 6, and 7, the main body 1has a stepped hole 21 at left side thereof and the thread hole 210 is atleftmost side. The stepped hole 21 contains a larger bore 211 and asmaller bore 212. The venting hole 20 is communicated with the smallerbore 212. The bullet barrel 22 has a cylinder on topside thereof and acenter bore 47 on bottom thereof and concentric with the cylinder, asshown in FIG. 4. The center bore 47 comprises a larger bore 472 on rightside and a smaller bore 471 on left side. The pushing cylinder 23 has astepped cylinder 230 on right side thereof as shown in FIG. 5 and thepushing cylinder 23 is embedded into the center bore 47. The steppedcylinder 230 has a stepped post 231 on right side thereof and coveredwith an embowed groove 233 to mount a sealing loop 48. The pushingcylinder 23 has a center bore 49 and the stepped post 231 has a hole 234at center thereof. The hole 234 has two embowed grooves 232 to mount asealing loop 50. A spring 26 is inserted therein. As shown in FIG. 6, anannulus washer 51 is provided and has a center hole 510, which hasventing hole 52 communicating with a right plane. As shown in FIG. 9,the discharge pin 24 is cylindrical shape and has an outer thread 241 atright side and a cone 242 at left side. The discharge pin 24 has arecess 243 at right side of the cone 242 and a blocking ring 244 atright side of the cone 242. As shown in FIG. 5, the cone 242 of thedischarge pin 24 is inserted into the hole 234 and fit with the sealingloop 50. The sealing loop 50 is matched with the blocking ring 244. Asshown in FIG. 6, the right side of the discharge pin 24 is fit with thecenter hole 53 of the annulus washer 5. As shown in FIG. 1, the spring27 is fit to the right side of the discharge pin 24. As shown in FIG. 9,the pin sleeve 25 is cylinder shape and has a stopping ring 251 on rightside thereof and has a center hole with inner thread. The spring 27 isfit to the outer surface of the pin sleeve 25. The inner thread of thepin sleeve 25 is screwed to the inner thread 241 of the discharge pin24. The left end of the presses on the spring 27 is abutted to thecenter hole 510 of the annulus washer 51, as shown in FIG. 6 The rightside of the spring 27 is abutted to the stopping ring 251. The annuluswasher 51 is arranged on the larger bore 211 of the main body 1. Theouter thread of the bullet barrel 22 is fit into the inner thread of themain body 1 such that the right end of the bullet barrel 22 is abuttedto the annulus washer 51. When compressed air is fed into the steppedhole 21 and reaches a predetermined value overcoming the elasticity ofthe spring 26, the pushing cylinder 23 and the discharge pin 24 aremoved leftward. When both ends of the spring 27 are pressed between theannulus washer 51 and the pin sleeve 25, the discharge pin 24 stopsmoving as the spring 27 is pressed to its limit. At this time, thepushing cylinder 23 is pushed leftward and the pushing cylinder 23naturally detaches from the sealing loop 50. The pressed air is blownoff from the center bore 49 of the pushing cylinder 23 to shoot thebullet. Due to the limit of the throttle 170 and the pressure adjuster100, the presses air is not instantly supplied. The discharge pin 24 isrestored to initial state due to the tension of the spring 27, and thenthe pushing cylinder 23 is restored to initial state due to the tensionspring 26. Therefore, the stepped hole 234 is locked to the cone 242 andsealed with the sealing loop 50 for next shooting. For continuousshooting, the user keeps his finger on the trigger and the switch 160keeps opening, the air is supplied from a steel bottle. The pushingcylinder 23 and the discharge pin 24 are in cyclic operation forcontinuous shooting.

[0017] As shown in FIGS. 2 and 3, the bullet barrel 22 has a bulletentrance 54 at left side thereof and connected to the smaller bore 47. Aslanting hole 55 for ejecting shell is provided at same location and anelongate slit 56 is opposite to the slanting hole 55. The elongate slit56 has a cylindrical pin 57 at right side thereof. The cock 31 has ahook at left side thereof and a rectangular block at right side thereof.The rectangular block has an elliptical groove 58 at center thereof andassembled with the cylindrical pin 57. The cock 31 has a small hole 59at center thereof and the elongate slit 56 has also a slanting hole 60at right side thereof. The two slanting holes are connected by a drawspring 61 such that the rectangular block presses against the outersurface of the pushing cylinder 23 and the pushing cylinder 23 has abevel 235 corresponding to the rectangular block. The cartridge 30 is ofcylindrical shape and has a center bore slidably fit with the bullet.When the pushing cylinder 23 is moved leftward, the bevel 235 pushes theroot 310 of the cock 31 and the elliptical groove 58 is slid along thecylindrical pin 57. At the same time, the pushing cylinder 23 pushesleftward the bullet in the cartridge 30. After the bullets are depleted,the pushing cylinder 23 rapidly restores to original position. Thecartridge 30 is pushed by the cock and ejected through the slantinghole. Another cartridge 30 can be easily loaded.

[0018] As shown in FIG. 3, the main body 1 has two stair holes 2, 3 withinner thread on the rightmost ends thereof and coupling loop 63 isengaged into the inner thread. The coupling loop 63 has a two-steps posthaving an embowed groove fit into a sealing loop 70. The embowed groovehas an outer thread and the coupling loop 63 has a larger bore 75. Thesmall post has a venting hole 74 connected with the larger bore 75. Thenut 68 is of three stages with rightmost stage having a blocking ring.The other two stages of the nut 68 have inner threads of differentsizes. The bore has inner thread at left end and stair hole at right endand an inner thread at rightmost end and venting hole 71 at center andconnected to the inner thread and the stair hole. The spring cover 65 isof cylindrical shape and has an inner hole at right end thereof. Theinner hole has a via hole 72 and an outer thread engaged with innerthread of the nut 68. The inner hole has a spring 67 and a steel ball64. With absence of external force, the ball 64 is pushed by the spring67 to seal the venting hole 71. The valve 66 is of cylindrical shape andhas an inner hole at right end thereof and the inner hole has an innerthread engaged with the outer thread of the nut 68. A plurality of leakholes 73 is provided on left side of the inner thread. The valve 66 hasa separation with the spring cover 65 and the coupling loop 63. When thenut 68 is connected to an air storage bottle, the pressed air pressesthe steel ball 64 and compresses the spring 67 and through the via hole72 to strike the inner wall of the inner hole of the valve 66 to formvapor of higher purity. The vapor passes through the gap between theleak holes 73 and the coupling loop 63 and passes through the ventinghole 74 and the through hole 4 to enter the main body. The sealing loops69 and 70 are fit into the embowered groove of the coupling loop 63 andthe nut 68 to seal the vapor.

[0019] Although the present invention has been described with referenceto the preferred embodiment thereof, it will be understood that theinvention is not limited to the details thereof. Various substitutionsand modifications have suggested in the foregoing description, and otherwill occur to those of ordinary skill in the art. Therefore, all suchsubstitutions and modifications are intended to be embraced within thescope of the invention as defined in the appended claims.

I claim
 1. A continuous firing structure for color bullet of a cap gun,the cap gun having a main body with a machine unit; the continuousfiring structure mainly comprising a bullet barrel at one end of themain body and a through hole between the bullet barrel and the unit forthe operation of a pushing cylinder and a discharge pin; a venting holeleading in a compressed air from an air bottle; the pushing cylinderbeing of cylindrical shape and embedded into a bore of the bulletbarrel; the pushing cylinder having a stepped post at right end thereofand the stepped post having a center hole; an annular washer having astepped hole and having a venting hole on bottom thereof; the dischargepin being a shaft and having a cone at left end and the cone having anannular groove at right end thereof; the discharge pin having a blockingring at left side thereof and the cone inserting into the stepped hole;a compressed spring pivotally fit to the discharge pin, the left end ofthe spring abutting the right end of the washer and the right end of thespring abutting to right end of the discharge pin; a tension springprovided between the bullet barrel and the pushing cylinder.
 2. Thecontinuous firing structure for color bullet as in claim 1, wherein themain body is coupled to a steel bottle through a coupling loop and thecoupling loop has a valve cover; the valve formed a switch with acompressed spring and a steel ball to provide vapor mixing effect. 3.The continuous firing structure for color bullet as in claim 1, whereinthe main body has a pressure adjuster to adjuster pressure of air. 4.The continuous firing structure for color bullet as in claim 1, whereinthe pushing cylinder has a stepped hole with sealing loop.
 5. Thecontinuous firing structure for color bullet as in claim 1, wherein thepushing cylinder has a stepped hole with sealing loop on outer sidethereof.
 6. The continuous firing structure for color bullet as in claim1, wherein the annular groove is provided with a sealing loop.
 7. Thecontinuous firing structure for color bullet as in claim 1, wherein thedischarge pin has a pin sleeve at right end thereof.